From what I gather in the documentation the only backing filesystems that OverlayFS can use with Docker are `ext4` and `xfs`. Here's Docker's information about configuring OverlayFS.
© Linux Academy. All rights reserved.
Pinehead® and the Linux Academy logo® is the registered trademark of Linux Academy in the U.S. and other countries.
Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries.